Title:
Educational system with mobile student learning stations
United States Patent 3401469


Inventors:
Shaver, John A.
Dole, Edwin K.
Osmond, Robert S.
Morrissey, Thomas G.
Application Number:
US54975866A
Publication Date:
09/17/1968
Filing Date:
04/21/1966
Assignee:
JOHN A. SHAVER
EDWIN K. DOLE
ROBERT S. OSMOND
THOMAS G. MORRISSEY
Primary Class:
Other Classes:
174/70R, 174/117R, 333/99R, 348/359, 381/77, 398/107, 398/113, 398/115, 398/153, 455/526, 725/78, 725/79, 725/82, 725/105
International Classes:
A47C7/72; G09B5/12; H01R24/58; H04B3/54; H04B10/12
View Patent Images:
US Patent References:
3288912Carpets wired for sound1966-11-29
3233346Carrel1966-02-08
2798172Portable electrical distribution system1957-07-02